Pause Music In Your Android Phone Using Hand Gesture

Hi friends, most of us have android mobiles and almost all of the android users listen music on their phone also. But suppose your phone is kept at a distance from you and music is being played in the phone, and you want to pause the music but you don't want to go and pick the phone up to pause the music, then what will you do? You will bring your palm before the phone and it will be paused.